Wireless charger



FIG. 1 is a top view of a wireless charger showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a top, front, left side perspective view thereof; and,

FIG. 8 is a top, rear, right side perspective view thereof.

CLAIM The ornamental design for a wireless charger, as shown anddescribed.